blob: b1d4b02606ae635e8de96278de43c1b7748fc5c6 [file] [log] [blame]
Auke Kok9a799d72007-09-15 14:07:45 -07001/*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
Don Skidmorea52055e2011-02-23 09:58:39 +00004 Copyright(c) 1999 - 2011 Intel Corporation.
Auke Kok9a799d72007-09-15 14:07:45 -07005
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
Auke Kok9a799d72007-09-15 14:07:45 -070023 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25
26*******************************************************************************/
27
28#ifndef _IXGBE_H_
29#define _IXGBE_H_
30
Jesse Grossf62bbb52010-10-20 13:56:10 +000031#include <linux/bitops.h>
Auke Kok9a799d72007-09-15 14:07:45 -070032#include <linux/types.h>
33#include <linux/pci.h>
34#include <linux/netdevice.h>
Peter Waskiewiczb25ebfd2010-10-05 01:27:49 +000035#include <linux/cpumask.h>
Peter P Waskiewicz Jr6fabd712008-12-10 01:13:08 -080036#include <linux/aer.h>
Jesse Grossf62bbb52010-10-20 13:56:10 +000037#include <linux/if_vlan.h>
Auke Kok9a799d72007-09-15 14:07:45 -070038
39#include "ixgbe_type.h"
40#include "ixgbe_common.h"
Alexander Duyck2f90b862008-11-20 20:52:10 -080041#include "ixgbe_dcb.h"
Yi Zoueacd73f2009-05-13 13:11:06 +000042#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
43#define IXGBE_FCOE
44#include "ixgbe_fcoe.h"
45#endif /* CONFIG_FCOE or CONFIG_FCOE_MODULE */
Jeff Garzik5dd2d332008-10-16 05:09:31 -040046#ifdef CONFIG_IXGBE_DCA
Jeb Cramerbd0362d2008-03-03 15:04:02 -080047#include <linux/dca.h>
48#endif
Auke Kok9a799d72007-09-15 14:07:45 -070049
Emil Tantilov849c4542010-06-03 16:53:41 +000050/* common prefix used by pr_<> macros */
51#undef pr_fmt
52#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
Auke Kok9a799d72007-09-15 14:07:45 -070053
54/* TX/RX descriptor defines */
Jesse Brandeburg6bacb302009-12-03 11:33:07 +000055#define IXGBE_DEFAULT_TXD 512
Auke Kok9a799d72007-09-15 14:07:45 -070056#define IXGBE_MAX_TXD 4096
57#define IXGBE_MIN_TXD 64
58
Jesse Brandeburg6bacb302009-12-03 11:33:07 +000059#define IXGBE_DEFAULT_RXD 512
Auke Kok9a799d72007-09-15 14:07:45 -070060#define IXGBE_MAX_RXD 4096
61#define IXGBE_MIN_RXD 64
62
Auke Kok9a799d72007-09-15 14:07:45 -070063/* flow control */
Jesse Brandeburg2b9ade92008-08-26 04:27:10 -070064#define IXGBE_MIN_FCRTL 0x40
Auke Kok9a799d72007-09-15 14:07:45 -070065#define IXGBE_MAX_FCRTL 0x7FF80
Jesse Brandeburg2b9ade92008-08-26 04:27:10 -070066#define IXGBE_MIN_FCRTH 0x600
Auke Kok9a799d72007-09-15 14:07:45 -070067#define IXGBE_MAX_FCRTH 0x7FFF0
Jesse Brandeburg2b9ade92008-08-26 04:27:10 -070068#define IXGBE_DEFAULT_FCPAUSE 0xFFFF
Auke Kok9a799d72007-09-15 14:07:45 -070069#define IXGBE_MIN_FCPAUSE 0
70#define IXGBE_MAX_FCPAUSE 0xFFFF
71
72/* Supported Rx Buffer Sizes */
Alexander Duyck13958072010-08-19 13:37:21 +000073#define IXGBE_RXBUFFER_512 512 /* Used for packet split */
Auke Kok9a799d72007-09-15 14:07:45 -070074#define IXGBE_RXBUFFER_2048 2048
Alexander Duycke76678d2009-05-17 20:57:47 +000075#define IXGBE_RXBUFFER_4096 4096
76#define IXGBE_RXBUFFER_8192 8192
Jesse Brandeburg32344a32009-02-24 16:37:31 -080077#define IXGBE_MAX_RXBUFFER 16384 /* largest size for a single descriptor */
Auke Kok9a799d72007-09-15 14:07:45 -070078
Alexander Duyck13958072010-08-19 13:37:21 +000079/*
80 * NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN mans we
81 * reserve 2 more, and skb_shared_info adds an additional 384 bytes more,
82 * this adds up to 512 bytes of extra data meaning the smallest allocation
83 * we could have is 1K.
84 * i.e. RXBUFFER_512 --> size-1024 slab
85 */
86#define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_512
Auke Kok9a799d72007-09-15 14:07:45 -070087
88#define MAXIMUM_ETHERNET_VLAN_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN)
89
Auke Kok9a799d72007-09-15 14:07:45 -070090/* How many Rx Buffers do we bundle into one write to the hardware ? */
91#define IXGBE_RX_BUFFER_WRITE 16 /* Must be power of 2 */
92
93#define IXGBE_TX_FLAGS_CSUM (u32)(1)
94#define IXGBE_TX_FLAGS_VLAN (u32)(1 << 1)
95#define IXGBE_TX_FLAGS_TSO (u32)(1 << 2)
96#define IXGBE_TX_FLAGS_IPV4 (u32)(1 << 3)
Yi Zoueacd73f2009-05-13 13:11:06 +000097#define IXGBE_TX_FLAGS_FCOE (u32)(1 << 4)
98#define IXGBE_TX_FLAGS_FSO (u32)(1 << 5)
Auke Kok9a799d72007-09-15 14:07:45 -070099#define IXGBE_TX_FLAGS_VLAN_MASK 0xffff0000
Alexander Duyck2f90b862008-11-20 20:52:10 -0800100#define IXGBE_TX_FLAGS_VLAN_PRIO_MASK 0x0000e000
Auke Kok9a799d72007-09-15 14:07:45 -0700101#define IXGBE_TX_FLAGS_VLAN_SHIFT 16
102
Peter P Waskiewicz Jr0a924572009-07-30 12:26:00 +0000103#define IXGBE_MAX_RSC_INT_RATE 162760
104
Greg Rose7f870472010-01-09 02:25:29 +0000105#define IXGBE_MAX_VF_MC_ENTRIES 30
106#define IXGBE_MAX_VF_FUNCTIONS 64
107#define IXGBE_MAX_VFTA_ENTRIES 128
108#define MAX_EMULATION_MAC_ADDRS 16
Greg Rosea1cbb15c2011-05-13 01:33:48 +0000109#define IXGBE_MAX_PF_MACVLANS 15
Greg Rose7f870472010-01-09 02:25:29 +0000110#define VMDQ_P(p) ((p) + adapter->num_vfs)
111
112struct vf_data_storage {
113 unsigned char vf_mac_addresses[ETH_ALEN];
114 u16 vf_mc_hashes[IXGBE_MAX_VF_MC_ENTRIES];
115 u16 num_vf_mc_hashes;
116 u16 default_vf_vlan_id;
117 u16 vlans_enabled;
Greg Rose7f870472010-01-09 02:25:29 +0000118 bool clear_to_send;
Greg Rose7f016482010-05-04 22:12:06 +0000119 bool pf_set_mac;
Greg Rose7f016482010-05-04 22:12:06 +0000120 u16 pf_vlan; /* When set, guest VLAN config not allowed. */
121 u16 pf_qos;
Lior Levyff4ab202011-03-11 02:03:07 +0000122 u16 tx_rate;
Greg Rose7f870472010-01-09 02:25:29 +0000123};
124
Greg Rosea1cbb15c2011-05-13 01:33:48 +0000125struct vf_macvlans {
126 struct list_head l;
127 int vf;
128 int rar_entry;
129 bool free;
130 bool is_macvlan;
131 u8 vf_macvlan[ETH_ALEN];
132};
133
Auke Kok9a799d72007-09-15 14:07:45 -0700134/* wrapper around a pointer to a socket buffer,
135 * so a DMA handle can be stored along with the buffer */
136struct ixgbe_tx_buffer {
137 struct sk_buff *skb;
138 dma_addr_t dma;
139 unsigned long time_stamp;
140 u16 length;
141 u16 next_to_watch;
Alexander Duyck8ad494b2010-11-16 19:26:47 -0800142 unsigned int bytecount;
143 u16 gso_segs;
144 u8 mapped_as_page;
Auke Kok9a799d72007-09-15 14:07:45 -0700145};
146
147struct ixgbe_rx_buffer {
148 struct sk_buff *skb;
149 dma_addr_t dma;
150 struct page *page;
151 dma_addr_t page_dma;
Jesse Brandeburg762f4c52008-09-11 19:58:43 -0700152 unsigned int page_offset;
Auke Kok9a799d72007-09-15 14:07:45 -0700153};
154
155struct ixgbe_queue_stats {
156 u64 packets;
157 u64 bytes;
158};
159
Alexander Duyck5b7da512010-11-16 19:26:50 -0800160struct ixgbe_tx_queue_stats {
161 u64 restart_queue;
162 u64 tx_busy;
John Fastabendc84d3242010-11-16 19:27:12 -0800163 u64 completed;
164 u64 tx_done_old;
Alexander Duyck5b7da512010-11-16 19:26:50 -0800165};
166
167struct ixgbe_rx_queue_stats {
168 u64 rsc_count;
169 u64 rsc_flush;
170 u64 non_eop_descs;
171 u64 alloc_rx_page_failed;
172 u64 alloc_rx_buff_failed;
173};
174
Alexander Duyck7d637bc2010-11-16 19:26:56 -0800175enum ixbge_ring_state_t {
176 __IXGBE_TX_FDIR_INIT_DONE,
177 __IXGBE_TX_DETECT_HANG,
John Fastabendc84d3242010-11-16 19:27:12 -0800178 __IXGBE_HANG_CHECK_ARMED,
Alexander Duyck7d637bc2010-11-16 19:26:56 -0800179 __IXGBE_RX_PS_ENABLED,
180 __IXGBE_RX_RSC_ENABLED,
181};
182
183#define ring_is_ps_enabled(ring) \
184 test_bit(__IXGBE_RX_PS_ENABLED, &(ring)->state)
185#define set_ring_ps_enabled(ring) \
186 set_bit(__IXGBE_RX_PS_ENABLED, &(ring)->state)
187#define clear_ring_ps_enabled(ring) \
188 clear_bit(__IXGBE_RX_PS_ENABLED, &(ring)->state)
189#define check_for_tx_hang(ring) \
190 test_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
191#define set_check_for_tx_hang(ring) \
192 set_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
193#define clear_check_for_tx_hang(ring) \
194 clear_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
195#define ring_is_rsc_enabled(ring) \
196 test_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
197#define set_ring_rsc_enabled(ring) \
198 set_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
199#define clear_ring_rsc_enabled(ring) \
200 clear_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
Auke Kok9a799d72007-09-15 14:07:45 -0700201struct ixgbe_ring {
Auke Kok9a799d72007-09-15 14:07:45 -0700202 void *desc; /* descriptor ring memory */
Alexander Duyckb6ec8952010-11-16 19:26:49 -0800203 struct device *dev; /* device for DMA mapping */
Alexander Duyckfc77dc32010-11-16 19:26:51 -0800204 struct net_device *netdev; /* netdev ring belongs to */
Auke Kok9a799d72007-09-15 14:07:45 -0700205 union {
206 struct ixgbe_tx_buffer *tx_buffer_info;
207 struct ixgbe_rx_buffer *rx_buffer_info;
208 };
Alexander Duyck7d637bc2010-11-16 19:26:56 -0800209 unsigned long state;
Jesse Brandeburgae540af2009-06-04 16:02:04 +0000210 u8 atr_sample_rate;
211 u8 atr_count;
212 u16 count; /* amount of descriptors */
213 u16 rx_buf_len;
214 u16 next_to_use;
215 u16 next_to_clean;
216
217 u8 queue_index; /* needed for multiqueue queue management */
Alexander Duyck7d637bc2010-11-16 19:26:56 -0800218 u8 reg_idx; /* holds the special value that gets
Jesse Brandeburgae540af2009-06-04 16:02:04 +0000219 * the hardware register offset
220 * associated with this ring, which is
221 * different for DCB and RSS modes
222 */
John Fastabende5b64632011-03-08 03:44:52 +0000223 u8 dcb_tc;
Jesse Brandeburgae540af2009-06-04 16:02:04 +0000224
Alexander Duyck7d637bc2010-11-16 19:26:56 -0800225 u16 work_limit; /* max work per interrupt */
226
227 u8 __iomem *tail;
228
229 unsigned int total_bytes;
230 unsigned int total_packets;
231
Auke Kok9a799d72007-09-15 14:07:45 -0700232 struct ixgbe_queue_stats stats;
Eric Dumazetde1036b2010-10-20 23:00:04 +0000233 struct u64_stats_sync syncp;
Alexander Duyck5b7da512010-11-16 19:26:50 -0800234 union {
235 struct ixgbe_tx_queue_stats tx_stats;
236 struct ixgbe_rx_queue_stats rx_stats;
237 };
Alexander Duyck5b7da512010-11-16 19:26:50 -0800238 int numa_node;
Jesse Brandeburgae540af2009-06-04 16:02:04 +0000239 unsigned int size; /* length in bytes */
240 dma_addr_t dma; /* phys. address of descriptor ring */
Eric Dumazet1a515022010-11-16 19:26:42 -0800241 struct rcu_head rcu;
Alexander Duyck33cf09c2010-11-16 19:26:55 -0800242 struct ixgbe_q_vector *q_vector; /* back-pointer to host q_vector */
Jesse Brandeburg7ca3bc52009-12-03 11:33:29 +0000243} ____cacheline_internodealigned_in_smp;
Auke Kok9a799d72007-09-15 14:07:45 -0700244
Shannon Nelsonc7e43582009-02-24 16:36:38 -0800245enum ixgbe_ring_f_enum {
246 RING_F_NONE = 0,
Greg Rose7f870472010-01-09 02:25:29 +0000247 RING_F_VMDQ, /* SR-IOV uses the same ring feature */
Shannon Nelsonc7e43582009-02-24 16:36:38 -0800248 RING_F_RSS,
Peter P Waskiewicz Jrc4cf55e2009-06-04 16:01:43 +0000249 RING_F_FDIR,
Yi Zou0331a832009-05-17 12:33:52 +0000250#ifdef IXGBE_FCOE
251 RING_F_FCOE,
252#endif /* IXGBE_FCOE */
Shannon Nelsonc7e43582009-02-24 16:36:38 -0800253
254 RING_F_ARRAY_SIZE /* must be last in enum set */
255};
256
Ayyappan Veeraiyan021230d2008-03-03 15:03:45 -0800257#define IXGBE_MAX_RSS_INDICES 16
Greg Rose7f870472010-01-09 02:25:29 +0000258#define IXGBE_MAX_VMDQ_INDICES 64
Peter P Waskiewicz Jrc4cf55e2009-06-04 16:01:43 +0000259#define IXGBE_MAX_FDIR_INDICES 64
Yi Zou0331a832009-05-17 12:33:52 +0000260#ifdef IXGBE_FCOE
261#define IXGBE_MAX_FCOE_INDICES 8
John Fastabende0fce692010-03-24 10:01:45 +0000262#define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES)
263#define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES)
264#else
265#define MAX_RX_QUEUES IXGBE_MAX_FDIR_INDICES
266#define MAX_TX_QUEUES IXGBE_MAX_FDIR_INDICES
Yi Zou0331a832009-05-17 12:33:52 +0000267#endif /* IXGBE_FCOE */
Ayyappan Veeraiyan021230d2008-03-03 15:03:45 -0800268struct ixgbe_ring_feature {
269 int indices;
270 int mask;
Jesse Brandeburg7ca3bc52009-12-03 11:33:29 +0000271} ____cacheline_internodealigned_in_smp;
Ayyappan Veeraiyan021230d2008-03-03 15:03:45 -0800272
Ayyappan Veeraiyan021230d2008-03-03 15:03:45 -0800273
Alexander Duyck2f90b862008-11-20 20:52:10 -0800274#define MAX_RX_PACKET_BUFFERS ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) \
275 ? 8 : 1)
276#define MAX_TX_PACKET_BUFFERS MAX_RX_PACKET_BUFFERS
277
Ayyappan Veeraiyan021230d2008-03-03 15:03:45 -0800278/* MAX_MSIX_Q_VECTORS of these are allocated,
279 * but we only use one per queue-specific vector.
280 */
281struct ixgbe_q_vector {
282 struct ixgbe_adapter *adapter;
Alexander Duyckfe49f042009-06-04 16:00:09 +0000283 unsigned int v_idx; /* index of q_vector within array, also used for
284 * finding the bit in EICR and friends that
285 * represents the vector for this ring */
Alexander Duyck33cf09c2010-11-16 19:26:55 -0800286#ifdef CONFIG_IXGBE_DCA
287 int cpu; /* CPU for DCA */
288#endif
Ayyappan Veeraiyan021230d2008-03-03 15:03:45 -0800289 struct napi_struct napi;
290 DECLARE_BITMAP(rxr_idx, MAX_RX_QUEUES); /* Rx ring indices */
291 DECLARE_BITMAP(txr_idx, MAX_TX_QUEUES); /* Tx ring indices */
292 u8 rxr_count; /* Rx ring count assigned to this vector */
293 u8 txr_count; /* Tx ring count assigned to this vector */
Jesse Brandeburg30efa5a2008-09-11 19:58:14 -0700294 u8 tx_itr;
295 u8 rx_itr;
Ayyappan Veeraiyan021230d2008-03-03 15:03:45 -0800296 u32 eitr;
Peter Waskiewiczb25ebfd2010-10-05 01:27:49 +0000297 cpumask_var_t affinity_mask;
Alexander Duyckd0759eb2010-11-16 19:27:09 -0800298 char name[IFNAMSIZ + 9];
Ayyappan Veeraiyan021230d2008-03-03 15:03:45 -0800299};
300
Auke Kok9a799d72007-09-15 14:07:45 -0700301/* Helper macros to switch between ints/sec and what the register uses.
Jesse Brandeburg509ee932009-03-13 22:13:28 +0000302 * And yes, it's the same math going both ways. The lowest value
303 * supported by all of the ixgbe hardware is 8.
Auke Kok9a799d72007-09-15 14:07:45 -0700304 */
305#define EITR_INTS_PER_SEC_TO_REG(_eitr) \
Jesse Brandeburg509ee932009-03-13 22:13:28 +0000306 ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8)
Auke Kok9a799d72007-09-15 14:07:45 -0700307#define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG
308
Alexander Duyck7d4987d2011-05-27 05:31:37 +0000309static inline u16 ixgbe_desc_unused(struct ixgbe_ring *ring)
310{
311 u16 ntc = ring->next_to_clean;
312 u16 ntu = ring->next_to_use;
313
314 return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1;
315}
Auke Kok9a799d72007-09-15 14:07:45 -0700316
317#define IXGBE_RX_DESC_ADV(R, i) \
Alexander Duyck31f05a22010-08-19 13:40:31 +0000318 (&(((union ixgbe_adv_rx_desc *)((R)->desc))[i]))
Auke Kok9a799d72007-09-15 14:07:45 -0700319#define IXGBE_TX_DESC_ADV(R, i) \
Alexander Duyck31f05a22010-08-19 13:40:31 +0000320 (&(((union ixgbe_adv_tx_desc *)((R)->desc))[i]))
Auke Kok9a799d72007-09-15 14:07:45 -0700321#define IXGBE_TX_CTXTDESC_ADV(R, i) \
Alexander Duyck31f05a22010-08-19 13:40:31 +0000322 (&(((struct ixgbe_adv_tx_context_desc *)((R)->desc))[i]))
Auke Kok9a799d72007-09-15 14:07:45 -0700323
324#define IXGBE_MAX_JUMBO_FRAME_SIZE 16128
Yi Zou63f39bd2009-05-17 12:34:35 +0000325#ifdef IXGBE_FCOE
326/* Use 3K as the baby jumbo frame size for FCoE */
327#define IXGBE_FCOE_JUMBO_FRAME_SIZE 3072
328#endif /* IXGBE_FCOE */
Auke Kok9a799d72007-09-15 14:07:45 -0700329
Ayyappan Veeraiyan021230d2008-03-03 15:03:45 -0800330#define OTHER_VECTOR 1
331#define NON_Q_VECTORS (OTHER_VECTOR)
332
PJ Waskiewicze8e26352009-02-27 15:45:05 +0000333#define MAX_MSIX_VECTORS_82599 64
334#define MAX_MSIX_Q_VECTORS_82599 64
Peter P Waskiewicz Jreb7f1392009-02-01 01:18:58 -0800335#define MAX_MSIX_VECTORS_82598 18
336#define MAX_MSIX_Q_VECTORS_82598 16
337
PJ Waskiewicze8e26352009-02-27 15:45:05 +0000338#define MAX_MSIX_Q_VECTORS MAX_MSIX_Q_VECTORS_82599
339#define MAX_MSIX_COUNT MAX_MSIX_VECTORS_82599
Peter P Waskiewicz Jreb7f1392009-02-01 01:18:58 -0800340
Ayyappan Veeraiyan021230d2008-03-03 15:03:45 -0800341#define MIN_MSIX_Q_VECTORS 2
Ayyappan Veeraiyan021230d2008-03-03 15:03:45 -0800342#define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NON_Q_VECTORS)
343
Auke Kok9a799d72007-09-15 14:07:45 -0700344/* board specific private data structure */
345struct ixgbe_adapter {
Alexander Duycke606bfe2011-04-22 04:07:43 +0000346 unsigned long state;
347
348 /* Some features need tri-state capability,
349 * thus the additional *_CAPABLE flags.
350 */
351 u32 flags;
352#define IXGBE_FLAG_RX_CSUM_ENABLED (u32)(1)
353#define IXGBE_FLAG_MSI_CAPABLE (u32)(1 << 1)
354#define IXGBE_FLAG_MSI_ENABLED (u32)(1 << 2)
355#define IXGBE_FLAG_MSIX_CAPABLE (u32)(1 << 3)
356#define IXGBE_FLAG_MSIX_ENABLED (u32)(1 << 4)
357#define IXGBE_FLAG_RX_1BUF_CAPABLE (u32)(1 << 6)
358#define IXGBE_FLAG_RX_PS_CAPABLE (u32)(1 << 7)
359#define IXGBE_FLAG_RX_PS_ENABLED (u32)(1 << 8)
360#define IXGBE_FLAG_IN_NETPOLL (u32)(1 << 9)
361#define IXGBE_FLAG_DCA_ENABLED (u32)(1 << 10)
362#define IXGBE_FLAG_DCA_CAPABLE (u32)(1 << 11)
363#define IXGBE_FLAG_IMIR_ENABLED (u32)(1 << 12)
364#define IXGBE_FLAG_MQ_CAPABLE (u32)(1 << 13)
365#define IXGBE_FLAG_DCB_ENABLED (u32)(1 << 14)
366#define IXGBE_FLAG_RSS_ENABLED (u32)(1 << 16)
367#define IXGBE_FLAG_RSS_CAPABLE (u32)(1 << 17)
368#define IXGBE_FLAG_VMDQ_CAPABLE (u32)(1 << 18)
369#define IXGBE_FLAG_VMDQ_ENABLED (u32)(1 << 19)
370#define IXGBE_FLAG_FAN_FAIL_CAPABLE (u32)(1 << 20)
371#define IXGBE_FLAG_NEED_LINK_UPDATE (u32)(1 << 22)
Alexander Duyck70864002011-04-27 09:13:56 +0000372#define IXGBE_FLAG_NEED_LINK_CONFIG (u32)(1 << 23)
373#define IXGBE_FLAG_FDIR_HASH_CAPABLE (u32)(1 << 24)
374#define IXGBE_FLAG_FDIR_PERFECT_CAPABLE (u32)(1 << 25)
375#define IXGBE_FLAG_FCOE_CAPABLE (u32)(1 << 26)
376#define IXGBE_FLAG_FCOE_ENABLED (u32)(1 << 27)
377#define IXGBE_FLAG_SRIOV_CAPABLE (u32)(1 << 28)
378#define IXGBE_FLAG_SRIOV_ENABLED (u32)(1 << 29)
Alexander Duycke606bfe2011-04-22 04:07:43 +0000379
380 u32 flags2;
381#define IXGBE_FLAG2_RSC_CAPABLE (u32)(1)
382#define IXGBE_FLAG2_RSC_ENABLED (u32)(1 << 1)
383#define IXGBE_FLAG2_TEMP_SENSOR_CAPABLE (u32)(1 << 2)
Alexander Duyckf0f97782011-04-22 04:08:09 +0000384#define IXGBE_FLAG2_TEMP_SENSOR_EVENT (u32)(1 << 3)
Alexander Duyck70864002011-04-27 09:13:56 +0000385#define IXGBE_FLAG2_SEARCH_FOR_SFP (u32)(1 << 4)
386#define IXGBE_FLAG2_SFP_NEEDS_RESET (u32)(1 << 5)
Alexander Duyckc83c6cb2011-04-27 09:21:16 +0000387#define IXGBE_FLAG2_RESET_REQUESTED (u32)(1 << 6)
Alexander Duyckd034acf2011-04-27 09:25:34 +0000388#define IXGBE_FLAG2_FDIR_REQUIRES_REINIT (u32)(1 << 7)
Alexander Duycke606bfe2011-04-22 04:07:43 +0000389
Jesse Grossf62bbb52010-10-20 13:56:10 +0000390 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
Auke Kok9a799d72007-09-15 14:07:45 -0700391 u16 bd_number;
Alexander Duyck7a921c92009-05-06 10:43:28 +0000392 struct ixgbe_q_vector *q_vector[MAX_MSIX_Q_VECTORS];
John Fastabendd033d522011-02-10 14:40:01 +0000393
394 /* DCB parameters */
395 struct ieee_pfc *ixgbe_ieee_pfc;
396 struct ieee_ets *ixgbe_ieee_ets;
Alexander Duyck2f90b862008-11-20 20:52:10 -0800397 struct ixgbe_dcb_config dcb_cfg;
398 struct ixgbe_dcb_config temp_dcb_cfg;
399 u8 dcb_set_bitmap;
John Fastabend30323092011-03-01 05:25:35 +0000400 u8 dcbx_cap;
Peter P Waskiewicz Jr264857b2009-05-17 12:35:16 +0000401 enum ixgbe_fc_mode last_lfc_mode;
Auke Kok9a799d72007-09-15 14:07:45 -0700402
Ayyappan Veeraiyanf494e8f2008-03-03 15:03:57 -0800403 /* Interrupt Throttle Rate */
Nelson, Shannonf7554a22009-09-18 09:46:06 +0000404 u32 rx_itr_setting;
405 u32 tx_itr_setting;
Ayyappan Veeraiyanf494e8f2008-03-03 15:03:57 -0800406 u16 eitr_low;
407 u16 eitr_high;
408
Auke Kok9a799d72007-09-15 14:07:45 -0700409 /* TX */
PJ Waskiewicz4a0b9ca2010-02-03 14:19:12 +0000410 struct ixgbe_ring *tx_ring[MAX_TX_QUEUES] ____cacheline_aligned_in_smp;
Jesse Brandeburg30efa5a2008-09-11 19:58:14 -0700411 int num_tx_queues;
Auke Kok9a799d72007-09-15 14:07:45 -0700412 u32 tx_timeout_count;
413 bool detect_tx_hung;
414
Jesse Brandeburg7ca3bc52009-12-03 11:33:29 +0000415 u64 restart_queue;
416 u64 lsc_int;
417
Auke Kok9a799d72007-09-15 14:07:45 -0700418 /* RX */
PJ Waskiewicz4a0b9ca2010-02-03 14:19:12 +0000419 struct ixgbe_ring *rx_ring[MAX_RX_QUEUES] ____cacheline_aligned_in_smp;
Jesse Brandeburg30efa5a2008-09-11 19:58:14 -0700420 int num_rx_queues;
Greg Rose7f870472010-01-09 02:25:29 +0000421 int num_rx_pools; /* == num_rx_queues in 82598 */
422 int num_rx_queues_per_pool; /* 1 if 82598, can be many if 82599 */
Auke Kok9a799d72007-09-15 14:07:45 -0700423 u64 hw_csum_rx_error;
PJ Waskiewicze8e26352009-02-27 15:45:05 +0000424 u64 hw_rx_no_dma_resources;
Auke Kok9a799d72007-09-15 14:07:45 -0700425 u64 non_eop_descs;
Ayyappan Veeraiyan021230d2008-03-03 15:03:45 -0800426 int num_msix_vectors;
Peter P Waskiewicz Jreb7f1392009-02-01 01:18:58 -0800427 int max_msix_q_vectors; /* true count of q_vectors for device */
Shannon Nelsonc7e43582009-02-24 16:36:38 -0800428 struct ixgbe_ring_feature ring_feature[RING_F_ARRAY_SIZE];
Auke Kok9a799d72007-09-15 14:07:45 -0700429 struct msix_entry *msix_entries;
430
Auke Kok9a799d72007-09-15 14:07:45 -0700431 u32 alloc_rx_page_failed;
432 u32 alloc_rx_buff_failed;
433
Jesse Brandeburg96b0e0f2008-08-26 04:27:21 -0700434/* default to trying for four seconds */
435#define IXGBE_TRY_LINK_TIMEOUT (4 * HZ)
Auke Kok9a799d72007-09-15 14:07:45 -0700436
437 /* OS defined structs */
438 struct net_device *netdev;
439 struct pci_dev *pdev;
Auke Kok9a799d72007-09-15 14:07:45 -0700440
Peter P Waskiewicz Jrda4dd0f2009-06-04 11:10:35 +0000441 u32 test_icr;
442 struct ixgbe_ring test_tx_ring;
443 struct ixgbe_ring test_rx_ring;
444
Auke Kok9a799d72007-09-15 14:07:45 -0700445 /* structs defined in ixgbe_hw.h */
446 struct ixgbe_hw hw;
447 u16 msg_enable;
448 struct ixgbe_hw_stats stats;
Ayyappan Veeraiyan021230d2008-03-03 15:03:45 -0800449
450 /* Interrupt Throttle Rate */
Nelson, Shannonf7554a22009-09-18 09:46:06 +0000451 u32 rx_eitr_param;
452 u32 tx_eitr_param;
Auke Kok9a799d72007-09-15 14:07:45 -0700453
Auke Kok9a799d72007-09-15 14:07:45 -0700454 u64 tx_busy;
Jesse Brandeburg30efa5a2008-09-11 19:58:14 -0700455 unsigned int tx_ring_count;
456 unsigned int rx_ring_count;
Jesse Brandeburgcf8280e2008-09-11 19:55:32 -0700457
458 u32 link_speed;
459 bool link_up;
460 unsigned long link_check_timeout;
461
Alexander Duyck70864002011-04-27 09:13:56 +0000462 struct work_struct service_task;
Alexander Duyck70864002011-04-27 09:13:56 +0000463 struct timer_list service_timer;
Peter P Waskiewicz Jrc4cf55e2009-06-04 16:01:43 +0000464 u32 fdir_pballoc;
465 u32 atr_sample_rate;
Alexander Duyckd034acf2011-04-27 09:25:34 +0000466 unsigned long fdir_overflow; /* number of times ATR was backed off */
Peter P Waskiewicz Jrc4cf55e2009-06-04 16:01:43 +0000467 spinlock_t fdir_perfect_lock;
Yi Zoud0ed8932009-05-13 13:11:29 +0000468#ifdef IXGBE_FCOE
469 struct ixgbe_fcoe fcoe;
470#endif /* IXGBE_FCOE */
Mallikarjuna R Chilakala94b982b2009-11-23 06:32:06 +0000471 u64 rsc_total_count;
472 u64 rsc_total_flush;
PJ Waskiewicze8e26352009-02-27 15:45:05 +0000473 u32 wol;
Peter P Waskiewicz Jr34b03682009-02-05 23:54:42 -0800474 u16 eeprom_version;
Greg Rose7f870472010-01-09 02:25:29 +0000475
Jesse Brandeburg1a6c14a2010-02-03 14:18:50 +0000476 int node;
Emil Tantilov66e69612011-04-16 06:12:51 +0000477 u32 led_reg;
Mallikarjuna R Chilakala119fc602010-05-20 23:07:06 -0700478 u32 interrupt_event;
Alexander Duyckd0759eb2010-11-16 19:27:09 -0800479 char lsc_int_name[IFNAMSIZ + 9];
Jesse Brandeburg1a6c14a2010-02-03 14:18:50 +0000480
Greg Rose7f870472010-01-09 02:25:29 +0000481 /* SR-IOV */
482 DECLARE_BITMAP(active_vfs, IXGBE_MAX_VF_FUNCTIONS);
483 unsigned int num_vfs;
484 struct vf_data_storage *vfinfo;
Lior Levyff4ab202011-03-11 02:03:07 +0000485 int vf_rate_link_speed;
Greg Rosea1cbb15c2011-05-13 01:33:48 +0000486 struct vf_macvlans vf_mvs;
487 struct vf_macvlans *mv_list;
488 bool antispoofing_enabled;
Alexander Duyck3e053342011-05-11 07:18:47 +0000489
490 struct hlist_head fdir_filter_list;
491 union ixgbe_atr_input fdir_mask;
492 int fdir_filter_count;
493};
494
495struct ixgbe_fdir_filter {
496 struct hlist_node fdir_node;
497 union ixgbe_atr_input filter;
498 u16 sw_idx;
499 u16 action;
Auke Kok9a799d72007-09-15 14:07:45 -0700500};
501
502enum ixbge_state_t {
503 __IXGBE_TESTING,
504 __IXGBE_RESETTING,
Donald Skidmorec4900be2008-11-20 21:11:42 -0800505 __IXGBE_DOWN,
Alexander Duyck70864002011-04-27 09:13:56 +0000506 __IXGBE_SERVICE_SCHED,
507 __IXGBE_IN_SFP_INIT,
Auke Kok9a799d72007-09-15 14:07:45 -0700508};
509
Alexander Duyckaa801752010-11-16 19:27:02 -0800510struct ixgbe_rsc_cb {
511 dma_addr_t dma;
512 u16 skb_cnt;
513 bool delay_unmap;
514};
515#define IXGBE_RSC_CB(skb) ((struct ixgbe_rsc_cb *)(skb)->cb)
516
Auke Kok9a799d72007-09-15 14:07:45 -0700517enum ixgbe_boards {
Auke Kok3957d632007-10-31 15:22:10 -0700518 board_82598,
PJ Waskiewicze8e26352009-02-27 15:45:05 +0000519 board_82599,
Don Skidmorefe15e8e12010-11-16 19:27:16 -0800520 board_X540,
Auke Kok9a799d72007-09-15 14:07:45 -0700521};
522
Auke Kok3957d632007-10-31 15:22:10 -0700523extern struct ixgbe_info ixgbe_82598_info;
PJ Waskiewicze8e26352009-02-27 15:45:05 +0000524extern struct ixgbe_info ixgbe_82599_info;
Don Skidmorefe15e8e12010-11-16 19:27:16 -0800525extern struct ixgbe_info ixgbe_X540_info;
Jeff Kirsher7a6b6f52008-11-25 01:02:08 -0800526#ifdef CONFIG_IXGBE_DCB
Stephen Hemminger32953542009-10-05 06:01:03 +0000527extern const struct dcbnl_rtnl_ops dcbnl_ops;
Alexander Duyck2f90b862008-11-20 20:52:10 -0800528extern int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg,
529 struct ixgbe_dcb_config *dst_dcb_cfg,
530 int tc_max);
531#endif
Auke Kok9a799d72007-09-15 14:07:45 -0700532
533extern char ixgbe_driver_name[];
Stephen Hemminger9c8eb722007-10-29 10:46:24 -0700534extern const char ixgbe_driver_version[];
Auke Kok9a799d72007-09-15 14:07:45 -0700535
536extern int ixgbe_up(struct ixgbe_adapter *adapter);
537extern void ixgbe_down(struct ixgbe_adapter *adapter);
Ayyappan Veeraiyand4f80882008-02-01 15:58:41 -0800538extern void ixgbe_reinit_locked(struct ixgbe_adapter *adapter);
Auke Kok9a799d72007-09-15 14:07:45 -0700539extern void ixgbe_reset(struct ixgbe_adapter *adapter);
Auke Kok9a799d72007-09-15 14:07:45 -0700540extern void ixgbe_set_ethtool_ops(struct net_device *netdev);
Alexander Duyckb6ec8952010-11-16 19:26:49 -0800541extern int ixgbe_setup_rx_resources(struct ixgbe_ring *);
542extern int ixgbe_setup_tx_resources(struct ixgbe_ring *);
543extern void ixgbe_free_rx_resources(struct ixgbe_ring *);
544extern void ixgbe_free_tx_resources(struct ixgbe_ring *);
Alexander Duyck84418e32010-08-19 13:40:54 +0000545extern void ixgbe_configure_rx_ring(struct ixgbe_adapter *,struct ixgbe_ring *);
546extern void ixgbe_configure_tx_ring(struct ixgbe_adapter *,struct ixgbe_ring *);
Yi Zou2d39d572011-01-06 14:29:56 +0000547extern void ixgbe_disable_rx_queue(struct ixgbe_adapter *adapter,
548 struct ixgbe_ring *);
Peter P Waskiewiczb4617242008-09-11 20:04:46 -0700549extern void ixgbe_update_stats(struct ixgbe_adapter *adapter);
Alexander Duyck2f90b862008-11-20 20:52:10 -0800550extern int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter);
Alexander Duyck7a921c92009-05-06 10:43:28 +0000551extern void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter);
Alexander Duyck84418e32010-08-19 13:40:54 +0000552extern netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *,
Alexander Duyck84418e32010-08-19 13:40:54 +0000553 struct ixgbe_adapter *,
554 struct ixgbe_ring *);
Alexander Duyckb6ec8952010-11-16 19:26:49 -0800555extern void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *,
Alexander Duyck84418e32010-08-19 13:40:54 +0000556 struct ixgbe_tx_buffer *);
Alexander Duyckfc77dc32010-11-16 19:26:51 -0800557extern void ixgbe_alloc_rx_buffers(struct ixgbe_ring *, u16);
Alexander Duyckfe49f042009-06-04 16:00:09 +0000558extern void ixgbe_write_eitr(struct ixgbe_q_vector *);
559extern int ethtool_ioctl(struct ifreq *ifr);
Peter P Waskiewicz Jrffff4772009-06-04 16:01:25 +0000560extern s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw);
Alexander Duyckc04f6ca2011-05-11 07:18:36 +0000561extern s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 fdirctrl);
562extern s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 fdirctrl);
Peter P Waskiewicz Jrffff4772009-06-04 16:01:25 +0000563extern s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
Alexander Duyck69830522011-01-06 14:29:58 +0000564 union ixgbe_atr_hash_dword input,
565 union ixgbe_atr_hash_dword common,
Peter P Waskiewicz Jrffff4772009-06-04 16:01:25 +0000566 u8 queue);
Alexander Duyckc04f6ca2011-05-11 07:18:36 +0000567extern s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
568 union ixgbe_atr_input *input_mask);
569extern s32 ixgbe_fdir_write_perfect_filter_82599(struct ixgbe_hw *hw,
570 union ixgbe_atr_input *input,
571 u16 soft_id, u8 queue);
572extern s32 ixgbe_fdir_erase_perfect_filter_82599(struct ixgbe_hw *hw,
573 union ixgbe_atr_input *input,
574 u16 soft_id);
575extern void ixgbe_atr_compute_perfect_hash_82599(union ixgbe_atr_input *input,
576 union ixgbe_atr_input *mask);
Don Skidmoreb93a2222010-11-16 19:27:17 -0800577extern void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter,
578 struct ixgbe_ring *ring);
579extern void ixgbe_clear_rscctl(struct ixgbe_adapter *adapter,
580 struct ixgbe_ring *ring);
Greg Rose7f870472010-01-09 02:25:29 +0000581extern void ixgbe_set_rx_mode(struct net_device *netdev);
John Fastabende5b64632011-03-08 03:44:52 +0000582extern int ixgbe_setup_tc(struct net_device *dev, u8 tc);
Yi Zoueacd73f2009-05-13 13:11:06 +0000583#ifdef IXGBE_FCOE
584extern void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter);
585extern int ixgbe_fso(struct ixgbe_adapter *adapter,
586 struct ixgbe_ring *tx_ring, struct sk_buff *skb,
587 u32 tx_flags, u8 *hdr_len);
Yi Zou332d4a72009-05-13 13:11:53 +0000588extern void ixgbe_cleanup_fcoe(struct ixgbe_adapter *adapter);
589extern int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
590 union ixgbe_adv_rx_desc *rx_desc,
591 struct sk_buff *skb);
592extern int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
593 struct scatterlist *sgl, unsigned int sgc);
Yi Zou68a683c2011-02-01 07:22:16 +0000594extern int ixgbe_fcoe_ddp_target(struct net_device *netdev, u16 xid,
595 struct scatterlist *sgl, unsigned int sgc);
Yi Zou332d4a72009-05-13 13:11:53 +0000596extern int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid);
Yi Zou8450ff82009-08-31 12:32:14 +0000597extern int ixgbe_fcoe_enable(struct net_device *netdev);
598extern int ixgbe_fcoe_disable(struct net_device *netdev);
Yi Zou6ee16522009-08-31 12:34:28 +0000599#ifdef CONFIG_IXGBE_DCB
600extern u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter);
601extern u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up);
602#endif /* CONFIG_IXGBE_DCB */
Yi Zou61a1fa12009-10-28 18:24:56 +0000603extern int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type);
Yi Zoueacd73f2009-05-13 13:11:06 +0000604#endif /* IXGBE_FCOE */
Auke Kok9a799d72007-09-15 14:07:45 -0700605
606#endif /* _IXGBE_H_ */